When to Plant Coleus in Mount Pleasant, IA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Mount Pleasant should be looked at to determine when it's a good idea to plant coleus.


Planting Calendar for Coleus

Frost tolerance for coleus: Not tolerant of frost.
When to plant: After the last frost.

It's a bad idea to plant coleus until after the last frost has passed because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant coleus
Possibly ok, but a risky time to plant coleus
Probably not a good time to plant coleus

The earliest that you can plant coleus in Mount Pleasant is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant coleus and expect a good harvest is probably August. If you wait any later than that and your coleus may not have a chance to really do well. If you are starting your coleus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mount Pleasant. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Mount Pleasant is an average and the actual date of last frost will vary from year to year. Since half of the time in Mount Pleasant you get surprised by a frost after April 15 be ready to protect your coleus if you have a late frost.

USDA Zone Info for Mount Pleasant

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Mount Pleasant

You may be interested in your other planting guides for Mount Pleasant.